07-31-2011, 07:43 PM
For California use there are lots of guys cutting them down (for 5.56 use). I am not sure if it would be better to start with a 20 or a 30 to get it to work with the Grendel. I like the plastic idea and the fact that there are dust caps for Magpul mags is a plus too.
http://www.calguns.net/calgunforum/showt...p?t=440743
http://www.calguns.net/calgunforum/showt...p?t=440743
